... YSZ (yttria stabilized zirconia) component, which is the core of oxygen sensors; We sell YSZ (yttria stabilized zirconia) cell, which is ... the core of fuel cell and oxygen sensors. Typically these include thin walled, open and closed ... (s/cm) >0.1 The applications:Ccombustion efficiency, excess air control, boiler control, fuel additive control, corrosion protection etc.